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11 年
我用android手机向arduino发送信息出现fatal exception main java.lang ...
android程序在我手机上总是崩溃,程序运行日志显示错误在以下紫色部分处,存在java.lang.nullPointerException异常,导致每次准备打开电灯时程序都会崩溃。 问了很多人都不知道该怎么解决,我刚刚接触android和arduino实在是没有办法了。希望各位大神能够帮帮我,谢谢 ...
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